General Science MCQ-44

Science SSC,UPSC,Railways,IAS Prelims,IBPS,SBI,KPSC,NCERT,CBSE

Average distance of Earth and Sun is measured in:

AU

PU

SU

SE

Choose the correct pair:

1. Presbyopia

1

2

3

4

Consider the following statements:

1. Plaster of paris is obtained by heating gypsum to 373k. 2. Washing soda is used for cleaning purposes and is manufactured by the soJvay process. 3. Steel is manufactured by bessemer converter process. 4. Main element of steel is chromium.

Choose the correct answer:

1,4

1,2,3

Only 4

1,2,3,4

In Einstein’s equation E =MC2,/sup> ‘C’ is indicative of:

Constant Quantity

Velocity of light

Energy

Variable quantity

The discovery that stars smaller than 1.44 times the solar mass end up as ‘white dwarfs’ is discovered by:

Nichos Copernicos

Vohannes Kepler

Dr . S . Chandrasekhar

None of these

Which of the following is commonly used substance in cloud seeding?

Common salt

Quartz particles

: Silver Iodide

Bromide

Which one of the following changes occur when salt is added in the water?